Update change-tracking.md

There is a typo in line 136. 


Instead

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Heartbeat
| summarize by Computer, Solutions

it should be


Heartbeat
| summarize by Computer, Solutions

Author: miguel-parada

articles/automation/troubleshoot/change-tracking.md

@@ -134,7 +134,6 @@ Here are possible causes specific to this issue:
 Verify that the daemon for the Log Analytics agent for Linux (**omsagent**) is running on your machine. Run the following query in the Log Analytics workspace that's linked to your Automation account.
 
 ```loganalytics
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 Heartbeat
 | summarize by Computer, Solutions
 ```